These elegantly dressed citizens, perhaps disembarking from a ferry boat, appear to be enjoying themselves at a Susquehanna River landing. That appears to be the Wrightsville bridge -- the 1897 iron bridge -- in the background.
Carla Reinecker of Red Lion found some photos in her grandmother's belongings after she died.
She's having some trouble making IDs. The background of the above photo seems to give its location away.
The three photos below are more elusive... .
If you can help Carla, please post a comment:
Could the bottom photo be Detter's mill near Wellsville, PA?